See also
| Partner: | Collwyn + ap EDNYWAIN (920- ) | |
| Partner: | (unknown) | |
| Children: | Gwenllian + verch COLLWYN (1000-1069) | |
| Name: | Collwyn + ap EDNYWAIN | |
| Sex: | Male | |
| Father: | Ednywain + ap BLEDDYN (880- ) | |
| Mother: | - | |
| Birth | 0920 | |
| Name: | Gwenllian + verch COLLWYN | |
| Sex: | Female | |
| Spouse: | Tewdwr + ap CADELL (977-1060) | |
| Birth | 1000 | Dyfedd, Monmouthshire, Wales |
| Death | 1069 (age 68-69) | Mechain, Wales |